197804511

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{6547}}^1$

素因数の和:6932

約数の個数: 20

約数和(自身を含む): 296323192

約数和(自身を除く): 98518681

約数列:

[1, 3, 9, 27, 81, 373, 1119, 3357, 6547, 10071, 19641, 30213, 58923, 176769, 530307, 2442031, 7326093, 21978279, 65934837, 197804511]

約数ペア:

[(1, 197804511), (3, 65934837), (9, 21978279), (27, 7326093), (81, 2442031), (373, 530307), (1119, 176769), (3357, 58923), (6547, 30213), (10071, 19641)]